Home / 1,549.20-2,317.80-1,544.88

Finding the Fourth Proportional to 1,549.20, 2,317.80 and 1,544.88

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Solution

The fourth proportional to 1,549.20, 2,317.80 and 1,544.88 is: 2,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.20 : 2,317.80 = 1,544.88 : x
  2. Step 2: Convert to fraction form
    1,549.20/2,317.80 = 1,544.88/x
  3. Step 3: Cross multiply
    1,549.20x = 2,317.80 × 1,544.88
  4. Step 4: Simplify right side
    1,549.20x = 3,580,722.86
  5. Step 5: Solve for x
    x = 3,580,722.86/1,549.20
  6. Step 6: Final answer
    x = 2,311.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.